Phone & internet · Luxembourg

Phone & internet in Luxembourg: your rights

The rules that protect you as a phone and internet customer in Luxembourg, and who to contact. Every fact is checked on an official source.

What is going on?

🔄How do I switch my phone or internet provider in Luxembourg?Switching provider 📲Can I keep my phone number when I switch provider in Luxembourg?Keep your number 📅How long can a phone or internet contract last in Luxembourg, and how do I end it?Minimum term & notice 📈My phone or internet price is going up: can I leave my contract in Luxembourg?Price rise 🐢My internet is slower than promised: what can I do in Luxembourg?Slow internet 🌍Do I pay extra to use my phone in other EU countries with a plan from Luxembourg?Roaming in Europe ✈️Travelling outside the EU with a plan from Luxembourg: how do I avoid a huge roaming bill?Roaming outside the EU 📡Can I use my own router or modem instead of the provider’s in Luxembourg?Your own router 📝What must I get before I sign a phone or internet contract in Luxembourg, and can I change my mind?Contract summary & cooling-off 🌐Is my copper phone line being switched off in Luxembourg, and what happens to my contract?Copper switch-off & fibre ⚖️My phone or internet provider will not solve my complaint: where can I go for free in Luxembourg?Free dispute resolution 📵My phone or internet is down: do I get compensation in Luxembourg?Outage & compensation 🤝Is there a social tariff or cheaper phone and internet for people on a low income in Luxembourg?Affordable internet

Everything at a glance

Telecom regulator

Institut Luxembourgeois de Régulation (ILR)

Luxembourg's telecom regulator: supervises the electronic communications market, makes sure consumer rights are respected and provides the checkmynet.lu speed test.

📞 (+352) 28 228 228🔗 ilr.lu

Official source: ilr.lu · Checked 2026-10-14

Free dispute resolution

ILR – Service médiation · free

What to do first: First complain to your provider in writing. You can turn to the mediator if you get no reply or an unsatisfactory one; your request must include proof of that complaint.

Time limit: The ILR's rules set no deadline for filing after your complaint. The mediator must send you the outcome within 90 calendar days of receiving a complete request; very complex cases can take longer.

🔗 ilr.lu

Official source: data.legilux.public.lu · Checked 2026-10-14

Compare offers official

SmartCompare

🔗 smartcompare.lu

Official source: ilr.lu · Checked 2026-10-14

Official speed test official

checkmynet.lu

The ILR lists checkmynet.lu as its monitoring mechanism under Article 4(4) of the EU Open Internet Regulation, to compare real performance with your contract. Its pages do not say that a test result alone is binding proof.

🔗 checkmynet.lu

Official source: ilr.lu · Checked 2026-10-14

Consumer organisation

Union Luxembourgeoise des Consommateurs (ULC)

🔗 ulc.lu

The law

Loi du 17 décembre 2021 sur les réseaux et les services de communications électroniques

This law puts the EU rules on phone and internet services into national law.

🔗 data.legilux.public.lu

Checked: 2026-10-14

🔗 Also on FFCheck

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